FlxSlider refactor
Reflect.hasField() always returns false on windows target
Merge pull request #407 from Gama11/dev_FlxSlider

FlxSlider refactor
FlxSlider fixes

Now it works with properties and handle positions correctly when
minValue != 0
added one more check and removed unnecessary error msg
Fixed error msg for FlxSlider (sorry)
Reflection fix again :(
Fixed FlxTextField.setFormat() to load font correctly

by dynax. see issue #409
task manager fixes.

Thanks @Henry.T
blocked sounds for html5 target

(until i'll make them work there)
Fix FlxU.formatTime to correctly display milliseconds

FlxU.formatTime takes Seconds as an Int, but should take a Float to allow for the option of displaying milliseconds (ShowMS).
Merge pull request #410 from jayrobin/dev-FlxU

Fix FlxU.formatTime to correctly display milliseconds